.exchange {
    width: 100vw;
    overflow: hidden;
    background: rgba(249, 249, 249, 1);
    height: 100vh;
    position: relative;
  }
  .exchange_top {
    width: 100vw;
    height: 23vw;
  }
  .exchange_top > p {
    width: 88vw;
    margin-left: 6vw;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: rgba(51, 51, 51, 1);
    font-size: 3.6vw;
    margin-top: 5vw;
  }
  .exchange_top > p:nth-of-type(2) {
    position: absolute;
    text-align: right;
    width: 100vw;
    top: 0;
    font-size: 3vw;
    margin-left: 0;
  }
  .exchange_top > p:nth-of-type(2) > span {
    margin: 0 5vw;
  }
  .exchange_top > div {
    width: 88vw;
    margin-left: 6vw;
    margin-top: 4.8vw;
  }
  .exchange_top > div > img {
    float: left;
    width: 12.1vw;
    height: 12.1vw;
    border-radius: 50%;
    border: 1px solid #f41334;
  }
  .exchange_top > div > div {
    float: left;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: rgba(51, 51, 51, 1);
    font-size: 3.6vw;
    margin-left: 2.4vw;
    line-height: 12.1vw;
    width: 73vw;
    display: flex;
    justify-content: space-between;
  }
  .exchange_top > div > div > span:nth-child(2) {
    color: #f41334;
  }
  .exchange_bottom > p {
    width: 88vw;
    margin-left: 6vw;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: rgba(51, 51, 51, 1);
    font-size: 3.6vw;
    margin-top: 5vw;
  }
  .exchange_bottom > p >span {
   float:right;
  }
  .exchange_bottom > input {
    width: 80vw;
    margin-left: 6vw;
    height: 8.7vw;
    padding: 0 4vw;
    line-height: 8.7vw;
    margin-top: 5vw;
    background: rgba(235, 235, 235, 1);
    border: none;
    border-radius: 4.35vw;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: rgba(51, 51, 51, 1);
    font-size: 3.4vw;
  }
  .exchange_bottom > div {
    width: 83.5vw;
    margin-left: 8.25vw;
    height: 13.3vw;
    line-height: 13.3vw;
    background: linear-gradient(90deg, #fea16a 0%, #fe6206 100%);
    border-radius: 6.55vw;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: rgba(255, 255, 255, 1);
    font-size: 5vw;
    text-align: center;
    margin-top: 28.5vw;
  }
  .exchange_change {
    position: fixed;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.62);
  }
  .exchange_change > div {
    width: 72.7vw;
    position: absolute;
    left: 13.65vw;
    height: 43.5vw;
    top: 50%;
    margin-top: -21.75vw;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0px 2px 9px 0px rgba(0, 0, 0, 0.07);
    border-radius: 2.4vw;
  }
  .exchange_change > div > input {
    margin-left: 10vw;
    width: 48.4vw;
    margin-left: 8.55vw;
    margin-top: 10.4vw;
    height: 7.7vw;
    background: rgba(249, 249, 249, 1);
    border: none;
    border-radius: 3.85vw;
    padding: 0 3.6vw;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    font-size: 3.4vw;
  }
  .exchange_change > div > div {
    width: 55.6vw;
    margin-left: 8.55vw;
  
    background: linear-gradient(135deg, #f32a7a 0%, #f31029 100%);
    border-radius: 6vw;
    height: 8.2vw;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: rgba(255, 255, 255, 1);
    font-size: 3.4vw;
    text-align: center;
    line-height: 8.2vw;
    margin-top: 6.8vw;
  }
  .exchange_pay {
    width: 100vw;
    height: 100vh;
    position: absolute;
    left: 0;
    top: 0;
    background: rgba(0, 0, 0, 0.62);
  }
  .exchange_pay > div {
    background: #f2f3f5;
    position: absolute;
    bottom: 0;
    height: 120vw;
    width: 100vw;
    border-radius: 2.6vw 2.6vw 0 0;
  }
  .exchange_pay > div > p {
    margin: 5.6vw 0 8.2vw 0;
    width: 100vw;
    font-size: 4.6vw;
    text-align: center;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #333333;
  }
  .exchange_pay_ok {
    width: 77vw;
    margin-left: 11.5vw;
    height: 11.3vw;
    line-height: 11.3vw;
    border-radius: 6vw;
    background: linear-gradient(139deg, #e256d3 0%, #ff4263 100%);
    font-size: 4.1vw;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #ffffff;
    text-align: center;
    margin-top: 8vw;
  }